This article covers デュアルポート PCIe 2.5Gbase-T NIC Realtek RTL8125チップ付き 2.5Gbネットワークカード 2500.

Overview

The QINIYEK Dual Port PCIe 2.5Gbase-T NIC is a 2.5GbE network adapter built around the Realtek RTL8125 chipset. It features two RJ-45 ports and operates over a PCIe X1 interface, while being compatible with X2, X4, X8, and X16 slots. A low-profile bracket is included, making it suitable for compact or rack-mount cases. This card delivers 2.5 times the throughput of standard Gigabit Ethernet without requiring new cabling—Cat5e is fully sufficient. It supports a wide range of operating systems, including Windows, Linux, Windows Server, and macOS, ensuring easy integration into most environments.

Connectivity & Compatibility

PCIe Gen2.1 x1 interface; works in X1, X2, X4, X8, X16 slots. Dual RJ-45 ports with automatic speed negotiation: 2.5GBASE-T / 1GBASE-T / 100BASE-TX / 10BASE-T. OS support: Windows 7/8/10/11, Windows Server 2003/2008/2012/2016/2019, Linux, macOS, DOS. Includes low-profile bracket for slim builds. * Enterprise features: VLAN tagging, WOL, PXE, DPDK, jumbo frames (up to 9k).

Product Info

Released around 2023, this card is available through Japan and other online retailers. Its price hovers around ¥8,000, offering excellent value for a dual-port 2.5GbE adapter. The warranty is one year, with lifetime technical support from the manufacturer. In-box contents include the NIC, low-profile bracket, and a driver CD (drivers are also downloadable). Market positioning is mid-range—bridging the gap between entry-level single-port 2.5GbE cards and expensive 10GbE solutions. Ideal for upgrading home NAS setups or adding fast wired connectivity to a workstation.

Best Use Cases

Home NAS owners: If you have a 2.5GbE-capable NAS, this card provides an immediate speed boost for file transfers. Dual ports allow link aggregation for even greater bandwidth. Creative professionals: Video editors and photographers who handle large files will benefit from the increased throughput, making network-based editing workflows more responsive. Home lab enthusiasts: For those running multiple servers or VMs, the card's support for VLANs and jumbo frames helps segment traffic and improve efficiency. Not recommended for: Users already running 10GbE, or those who rely solely on Wi-Fi. Also, if you prefer Intel-based controllers, consider alternatives using Intel I225-V chips.

Product Disclosure (Amazon)

  • Manufacturer: QINIYEK
  • Seller: XINHEYI JP
  • Fulfilled by: XINHEYI JP
  • ASIN: B0CJ2KR1LG
  • Note: This article covers a manufacturer-made product based on Amazon listing details.